diff --git a/arch/arc/core/thread.c b/arch/arc/core/thread.c
index c9041840fc8..9484af9b447 100644
--- a/arch/arc/core/thread.c
+++ b/arch/arc/core/thread.c
@@ -75,13 +75,21 @@ void z_new_thread(struct k_thread *thread, k_thread_stack_t *stack,
 	struct init_stack_frame *pInitCtx;
 
 #if CONFIG_USERSPACE
+
+	size_t stackAdjSize;
+	size_t offset = 0;
+
 /* adjust stack and stack size */
 #if CONFIG_ARC_MPU_VER == 2
-	stackSize = POW2_CEIL(STACK_SIZE_ALIGN(stackSize));
+	stackAdjSize = POW2_CEIL(STACK_SIZE_ALIGN(stackSize));
 #elif CONFIG_ARC_MPU_VER == 3
-	stackSize = ROUND_UP(stackSize, STACK_ALIGN);
+	stackAdjSize = ROUND_UP(stackSize, STACK_ALIGN);
+#endif
+	stackEnd = pStackMem + stackAdjSize;
+
+#if CONFIG_STACK_POINTER_RANDOM
+	offset = stackAdjSize - stackSize;
 #endif
-	stackEnd = pStackMem + stackSize;
 
 	if (options & K_USER) {
 		thread->arch.priv_stack_start =
@@ -92,13 +100,15 @@ void z_new_thread(struct k_thread *thread, k_thread_stack_t *stack,
 
 		/* reserve 4 bytes for the start of user sp */
 		stackAdjEnd -= 4;
-		(*(u32_t *)stackAdjEnd) = (u32_t)stackEnd;
+		(*(u32_t *)stackAdjEnd) = STACK_ROUND_DOWN(
+			(u32_t)stackEnd - offset);
 
 #ifdef CONFIG_THREAD_USERSPACE_LOCAL_DATA
 		/* reserve stack space for the userspace local data struct */
 		thread->userspace_local_data =
 			(struct _thread_userspace_local_data *)
-			STACK_ROUND_DOWN(stackEnd - sizeof(*thread->userspace_local_data));
+			STACK_ROUND_DOWN(stackEnd -
+			sizeof(*thread->userspace_local_data) - offset);
 		/* update the start of user sp */
 		(*(u32_t *)stackAdjEnd) = (u32_t) thread->userspace_local_data;
 #endif
@@ -115,7 +125,7 @@ void z_new_thread(struct k_thread *thread, k_thread_stack_t *stack,
 	 * ---------------------------------------------
 	 */
 		pStackMem += STACK_GUARD_SIZE;
-		stackSize = stackSize + CONFIG_PRIVILEGED_STACK_SIZE;
+		stackAdjSize = stackAdjSize + CONFIG_PRIVILEGED_STACK_SIZE;
 		stackEnd += CONFIG_PRIVILEGED_STACK_SIZE + STACK_GUARD_SIZE;
 
 		thread->arch.priv_stack_start = 0;
@@ -123,15 +133,15 @@ void z_new_thread(struct k_thread *thread, k_thread_stack_t *stack,
 #ifdef CONFIG_THREAD_USERSPACE_LOCAL_DATA
 		/* reserve stack space for the userspace local data struct */
 		stackAdjEnd = (char *)STACK_ROUND_DOWN(stackEnd
-			- sizeof(*thread->userspace_local_data));
+			- sizeof(*thread->userspace_local_data) - offset);
 		thread->userspace_local_data =
 			(struct _thread_userspace_local_data *)stackAdjEnd;
 #else
-		stackAdjEnd = (char *)STACK_ROUND_DOWN(stackEnd);
+		stackAdjEnd = (char *)STACK_ROUND_DOWN(stackEnd - offset);
 #endif
 	}
 
-	_new_thread_init(thread, pStackMem, stackSize, priority, options);
+	_new_thread_init(thread, pStackMem, stackAdjSize, priority, options);
 
 
 	/* carve the thread entry struct from the "base" of